Patents by Inventor Tsutomu Hatayama

Tsutomu Hatayama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Washing machine with means for preventing propagation of microorganism
    Patent number: 6463766
    Abstract: A washing machine includes a wash tub, a water-supply mechanism for supplying water into the wash tub, and a disposition section in which a solid antimicrobial agent containing an organic compound having a nitrogen-halogen atomic combination is disposed. The disposition section is provided in the water-supply mechanism. The antimicrobial agent is brought into contact with water thereby to release hypohalogenous acid into the water.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: October 15, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tooru Kubota, Takayoshi Iwai, Tsutomu Hatayama, Kenji Kojima, Tadaaki Koketsu
  • Washing machine with means for preventing propagation of microorganism
    Publication number: 20010010165
    Abstract: A washing machine includes a wash tub, a water-supply mechanism for supplying water into the wash tub, and a disposition section in which a solid antimicrobial agent containing an organic compound having a nitrogen-halogen atomic combination is disposed. The disposition section is provided in the water-supply mechanism. The antimicrobial agent is brought into contact with water thereby to release hypohalogenous acid into the water.
    Type: Application
    Filed: January 29, 2001
    Publication date: August 2, 2001
    Inventors: Tooru Kubota, Takayoshi Iwai, Tsutomu Hatayama, Kenji Kojima, Tadaaki Koketsu